Finding the Fourth Proportional to 78,159.49, 107,860.06 and 42,349.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,159.49 : 107,860.06 = 42,349.52 : x
2. Step 2: Convert to fraction form
   78,159.49/107,860.06 = 42,349.52/x
3. Step 3: Cross multiply
   78,159.49x = 107,860.06 × 42,349.52
4. Step 4: Simplify right side
   78,159.49x = 4,567,821,768.17
5. Step 5: Solve for x
   x = 4,567,821,768.17/78,159.49
6. Step 6: Final answer
   x = 58,442.32